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The system’s luminance calibration is programmed into the handheld portable optometer. Measurement results are displayed by the optometer in units of footlamberts or cd/m², and digital data can be acquired directly via PC.
Components
Photometer – Model S471: Portable Photometer with LCD display and RS-232 Interface; 50 programmable calibrations; AC or battery-powered
Sensor – Model 2153 Brightness sensor: Luminance sensor with high performance photopic filter (f1′< 3%); fixed-focus lens; 13° Field of View
Calibration – U68072: Luminance calibration – NIST Traceable in units of footlamberts (fL) or cd/m² (nit)
Alternative Photometer – S470 flexOptometer: Benchtop Photometer, Single Channel; IEEE-488, RS-232, RS-485, USB
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